He wāhanga nui te camshaft o te miihini piston, ko ia te kawenga mō te whakahaere i te whakatuwheratanga me te katinga o ngā takirere hei whakarite kia pai te whakauru wahie me te pana atu i ngā hau putanga. He mea nui te whakapūmau kounga i roto i tā mātou tukanga whakaputa. Ka whakamahia e mātou ngā tikanga tirotiro matatau me ngā taputapu whakamātautau hou hei aroturuki i ngā āhuatanga katoa o te mahi a te camshaft. Mai i te tika o ngā āhuatanga ki te whakaotinga o te mata, ka tirotirohia pai ia wāhanga kia tino tutuki ai ā mātou paerewa pakari.
He mea hanga ā mātou porowhita mai i te rino maka makariri. He tino pai te ātete o tēnei rauemi ki te kakahu, kia roa ai te ora o te porowhita. Nā tōna kaha nui ka taea te tu atu i ngā ahotea miihini me ngā kawenga i roto i te miihini. He mea nui anō hoki te maimoatanga o te mata o te oro. Ka whakaitihia e te mata oro te waku, ka whakarei ake i te pai me te maeneene o te mahi a te porowhita. Ka āwhina ki te whakaiti i te kakahu me te haehae, ka whakapai ake i te mahi whānui me te roa.
He mahi matatau, he mahi tika hoki te tukanga whakaputa o ngā camshaft, e whakarite ana kia tutuki i te hua whakamutunga ngā paerewa kounga tino pakari. Mō ngā whakaritenga whakaputa, me piri ngā kaihanga ki ngā aratohu tino pakari hei pupuri i ngā paerewa kounga me te mahi tino teitei. Kei roto i tēnei ko te whakamahi i ngā taputapu me ngā hangarau hou, te whakatinana i ngā tikanga whakahaere kounga tino pakari, me te whakarite kia tino whakangungua, kia tino pūkenga hoki ngā kaimahi katoa. Mā te piri ki ēnei whakaritenga tino pakari, ka taea e ngā kaihanga te whakaputa camshaft e tutuki ai ngā hiahia nui o ngā miihini hou, e whakarite ana i te mahi tino pai me te pono.
Kua hangaia ā mātou camshaft kia tika te whakahaere i te wā me te roa o te takirere, kia pā tika ai ki te putanga mana o te miihini, ngā āhuatanga taipana, me te whai huatanga o te wahie. Mā te arotau i te mahi takirere, ka whai wāhi ā mātou camshaft ki te whakapai ake i te mahi me te urupare a te miihini. Hei tāpiri, mā te arotahi ki te whakaiti i te waku me te kakahu i roto i te miihini ka whakarite kia roa ake te ora o ā mātou camshaft me te whakaiti i ngā whakaritenga tiaki, kia roa ai te wā e whakamahia ana e ā mātou kiritaki.